/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraComponent.h
Get the active simulation cache, will return null if we do not have an active one.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=SimCache) [UNiagaraSimCache](API\Plugins\Niagara\UNiagaraSimCache) * GetSimCache() const